/Engine/Source/Runtime/Core/Public/Delegates/DelegateSignatureImpl.inl
template<typename UserClass, ESPMode Mode, typename... VarTypes> void BindSP &40; const TSharedRef< UserClass, Mode > & InUserObjectRef, typename TMemFunPtrType< true, UserClass, RetValType(ParamTypes..., std::decay_t< VarTypes >...)>::Type InFunc, VarTypes &&... Vars &41;